Profile, Current, and Halo Monitors of the PROSCAN Beam Lines

PROSCAN, an extended medical facility using proton beams for the treatment of deep-seated tumors and eye melanoma, is under construction at PSI. Ionization chambers and secondary emission monitors will be used as current monitors and in a multi-strip configuration as profile monitors at the PROSCAN...

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Bibliographic Details
Published in:AIP conference proceedings 2004-01, Vol.732 (1), p.244-252
Main Author: Dolling, Rudolf
Format: Article
Language:English
Subjects:
BEAM CURRENTS
BEAM MONITORS
BEAM POSITION
BEAM PROFILES
DIAGNOSTIC TECHNIQUES
EVALUATION
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
IONIZATION CHAMBERS
MELANOMAS
NOISE
OPERATION
PARTICLE ACCELERATORS
PROTON BEAMS
RADIOTHERAPY
SECONDARY EMISSION
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Summary:PROSCAN, an extended medical facility using proton beams for the treatment of deep-seated tumors and eye melanoma, is under construction at PSI. Ionization chambers and secondary emission monitors will be used as current monitors and in a multi-strip configuration as profile monitors at the PROSCAN beam lines. A thin and a thick version of these detectors are in preparation as well as a 4-segment ionization chamber to detect the beam halo. Electromagnetic and microphonic noise from the signal and high-voltage cables, saturation due to recombination, and the evaluation of the profiles are discussed, as well as measures to detect failures of the detectors during operation.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.1831154